100 Numbers Riddles – Fun Brain Teasers for Kids and Adults
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1. I am the first number, what am I?
Answer: One

2. I am an even number between 2 and 6, what am I?
Answer: Four

3. I am the number of sides on a triangle, what am I?
Answer: Three

4. I am the number of fingers on one hand, what am I?
Answer: Five

5. I am the number of months with 31 days, what am I?
Answer: Seven

6. I am the only even prime number, what am I?
Answer: Two

7. I am a dozen, what number am I?
Answer: Twelve

8. I am the number of hours on a clock, what am I?
Answer: Twelve

9. I am half of a dozen, what am I?
Answer: Six

10. I am the sum of two and three, what am I?
Answer: Five

11. I am the smallest three-digit number, what am I?
Answer: One hundred

12. I am the number of planets in the solar system, what am I?
Answer: Eight

13. I am the number of days in a week, what am I?
Answer: Seven

14. I am the number of wheels on a bicycle, what am I?
Answer: Two

15. I am the number of wheels on a car, what am I?
Answer: Four

16. I am the number of legs on a spider, what am I?
Answer: Eight

17. I am the number that comes after 19, what am I?
Answer: Twenty

18. I am the square of 3, what am I?
Answer: Nine

19. I am the cube of 2, what am I?
Answer: Eight

20. I am the number of continents on Earth, what am I?
Answer: Seven

21. I am the number of colors in a rainbow, what am I?
Answer: Seven

22. I am the sum of 10 and 15, what am I?
Answer: Twenty-five

23. I am the number of legs on an insect, what am I?
Answer: Six

24. I am the number of hours in half a day, what am I?
Answer: Twelve

25. I am the number that is both even and prime, what am I?
Answer: Two

26. I am the total number of letters in the word “seven,” what am I?
Answer: Five

27. I am the number of edges on a cube, what am I?
Answer: Twelve

28. I am the number of faces on a standard dice, what am I?
Answer: Six

29. I am the number of zeros in a thousand, what am I?
Answer: Three

30. I am the first odd number, what am I?
Answer: One

31. I am the total number of months in a year, what am I?
Answer: Twelve

32. I am the number of planets from the Sun to Earth, what am I?
Answer: Three

33. I am the number of corners on a square, what am I?
Answer: Four

34. I am half of ten, what am I?
Answer: Five

35. I am the sum of 7 and 8, what am I?
Answer: Fifteen

36. I am the number of edges on a triangle, what am I?
Answer: Three

37. I am the number of letters in the word “four,” what am I?
Answer: Four

38. I am the square of 4, what am I?
Answer: Sixteen

39. I am the cube of 3, what am I?
Answer: Twenty-seven

40. I am the sum of 5 + 5 + 5, what am I?
Answer: Fifteen

41. I am the number of sides on a pentagon, what am I?
Answer: Five

42. I am the number of planets closer to the Sun than Jupiter, what am I?
Answer: Four

43. I am the number of players in a football team, what am I?
Answer: Eleven

44. I am the number of players on a basketball team on the court, what am I?
Answer: Five

45. I am the sum of 1, 2, 3, and 4, what am I?
Answer: Ten

46. I am the number of holes in a standard golf course, what am I?
Answer: Eighteen

47. I am the total number of minutes in an hour, what am I?
Answer: Sixty

48. I am the number of seconds in a minute, what am I?
Answer: Sixty

49. I am the number that comes before 100, what am I?
Answer: Ninety-nine

50. I am the sum of 20 + 30 + 50, what am I?
Answer: One hundred

51. I am the total number of legs on two chairs, what am I?

Answer: Eight

52. I am the number of months with 30 days, what am I?
Answer: Four

53. I am the sum of 9 + 7 + 4, what am I?
Answer: Twenty

54. I am the total number of letters in “zero” and “one,” what am I?
Answer: Seven

55. I am the first prime number after 10, what am I?
Answer: Eleven

56. I am half of 50, what am I?
Answer: Twenty-five

57. I am the number of points on a star, what am I?
Answer: Five

58. I am the total number of weeks in a year approximately, what am I?
Answer: Fifty-two

59. I am the sum of the first four prime numbers, what am I?
Answer: Seventeen

60. I am the number of letters in “seventeen,” what am I?
Answer: Nine

61. I am the number of months before July, what am I?
Answer: Six

62. I am the number of sides on a hexagon, what am I?
Answer: Six

63. I am the sum of 11 + 12 + 13, what am I?
Answer: Thirty-six

64. I am the total number of teeth in an adult human, what am I?
Answer: Thirty-two

65. I am the number of zeros in a million, what am I?
Answer: Six

66. I am the first square number greater than 10, what am I?
Answer: Sixteen

67. I am the total number of sides on a decagon, what am I?
Answer: Ten

68. I am the sum of 15 + 15, what am I?
Answer: Thirty

69. I am the number of minutes in half an hour, what am I?
Answer: Thirty

70. I am the sum of 1 + 3 + 5 + 7, what am I?
Answer: Sixteen

71. I am the total number of books in a pentateuch, what am I?
Answer: Five

72. I am the number that comes right after 49, what am I?
Answer: Fifty

73. I am the first even number greater than 20, what am I?
Answer: Twenty-two

74. I am the number of cards in a standard suit, what am I?
Answer: Thirteen

75. I am the sum of 8 + 12 + 10, what am I?
Answer: Thirty

76. I am the number of degrees in a right angle, what am I?
Answer: Ninety

77. I am the number of planets in the solar system minus one, what am I?
Answer: Seven

78. I am the total number of legs on a spider and an ant combined, what am I?
Answer: Fourteen

79. I am the number of months that begin with “J,” what am I?
Answer: Three

80. I am the total number of letters in “twenty” and “one,” what am I?
Answer: Eight

81. I am the first odd number after 20, what am I?
Answer: Twenty-one

82. I am the total number of centimeters in a meter divided by 2, what am I?
Answer: Fifty

83. I am the sum of 5 + 10 + 15 + 20, what am I?
Answer: Fifty

84. I am the number of edges on a cube, what am I?
Answer: Twelve

85. I am the first double-digit prime number, what am I?
Answer: Eleven

86. I am the number of squares on a chessboard, what am I?
Answer: Sixty-four

87. I am the total number of keys on a piano, what am I?
Answer: Eighty-eight

88. I am the sum of 20 + 25 + 30, what am I?
Answer: Seventy-five

89. I am the number of sides on an octagon, what am I?
Answer: Eight

90. I am the number of holes on a standard golf course, what am I?
Answer: Eighteen

91. I am the number of degrees in a full circle, what am I?
Answer: Three hundred sixty

92. I am the total number of cards in a standard deck, what am I?
Answer: Fifty-two

93. I am the sum of 1 + 2 + 3 + … + 10, what am I?
Answer: Fifty-five

94. I am the total number of players on both teams in a football match, what am I?
Answer: Twenty-two

95. I am the total number of hours in two days, what am I?
Answer: Forty-eight

96. I am the first two-digit square number, what am I?
Answer: Sixteen

97. I am the number of weeks in a year rounded, what am I?
Answer: Fifty-two

98. I am the sum of 40 + 60, what am I?
Answer: One hundred

99. I am the total number of dots on two dice, what am I?
Answer: Forty-two

100. I am the sum of the first ten natural numbers, what am I?
Answer: Fifty-five